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<html>
<head>
    <meta charset="UTF-8">
    <title></title>
    <style>
        body {
            margin: 0;
            padding: 0;
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            background: url('https://images.unsplash.com/photo-1518770660439-4636190af475?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            font-family: Arial, sans-serif;
        }
        h1 {
            font-size: 4rem;
            text-shadow: 0 0 20px rgba(0, 150, 255, 0.8);
            background-color: rgba(0, 0, 0, 0.5);
            padding: 20px 40px;
            border-radius: 10px;
        }
    </style>
</head>
<body>
    <h1>物联网IOT数据监测</h1>
</body>
</html>